Find the circumference of a circle whose area is
times the area of a circle with diameter 21 cm
Answers
Answered by
1
Answer:
circumference = 65.97cm
Step-by-step explanation:
C = 2πr
d = 2r
given d = 21 cm
c= πd
c = π x 21cm
c= 3.14 x 21
c= 65.97 cm
Answered by
1
Answer
circumference of circle
Answer is 9
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